$(function(){
    		var current=0;
    		var count=$(".pics-list li").length-1;
    		var width=$(".pics-list li").width();
    		function next(){
    			if (current >= count) {
    				current=0
    			} else{
    				current++;
    			}
    			$(".points-list").eq(current).addClass("active").siblings().removeClass("active")
    			$(".pics-list").css("left",-1 * width * current+"px")
    		}
    		function prev(){
    			if (current<=0) {
    				current=count;
    			}
    			else{
    				current--;
    			}
    			$(".points-list li").eq(current).addClass("active").siblings().removeClass("active")
    			$(".pics-list").css("left",-1 * width * current+"px")
    		}
    		setInterval(function(){
    			next();
    		},3000)
    		$(".banner-box .next").click(function(){
    			next();
    		})
    		$(".banner-box .prev").click(function(){
    			prev();
    		})
    	})